Overview

overview

10

Static

static

10

475604a43c...3f.exe

windows7_x64

10

475604a43c...3f.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    475604a43c345971022ae3da673840556e6a65e9355ca2376cc3b81b65bbce3f

  • Size

    349KB

  • Sample

    220520-2ptq1sagem

  • MD5

    4ba3b7693391fa5d8326b686692a9f91

  • SHA1

    bfe26b996c5a1176896cbd82ef8044af25042720

  • SHA256

    475604a43c345971022ae3da673840556e6a65e9355ca2376cc3b81b65bbce3f

  • SHA512

    de6c30aa11c1cc63947566b5bcbed45dbefce9d9edabadb069b14157bf64d9aad87bcc92e9453f89e7b5b3858a87d41deb7dc3f288db9430aad0e64dfeddeb1d

Score
10/10
darkcometmaincraftevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

maincraft

C2

petyx.ddns.net:7895

duxa.ddns.net:7895
Mutex

DC_MUTEX-P0HW8GA

Attributes
  • InstallPath

    MSDCSC\Windows.exe

  • gencode

    RbtaWfmoGPRb

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      475604a43c345971022ae3da673840556e6a65e9355ca2376cc3b81b65bbce3f

    • Size

      349KB

    • MD5

      4ba3b7693391fa5d8326b686692a9f91

    • SHA1

      bfe26b996c5a1176896cbd82ef8044af25042720

    • SHA256

      475604a43c345971022ae3da673840556e6a65e9355ca2376cc3b81b65bbce3f

    • SHA512

      de6c30aa11c1cc63947566b5bcbed45dbefce9d9edabadb069b14157bf64d9aad87bcc92e9453f89e7b5b3858a87d41deb7dc3f288db9430aad0e64dfeddeb1d

    Score
    10/10
    darkcometevasionpersistencerattrojanupx

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

5
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks